Interesting. Yes, it uses berryboot, but I had assumed that which bootloader to use vs. which kernel were two independent propositions. You seem to be suggesting that berryboot has its own lineage of Raspbian kernels that are forked (or are otherwise distinct) from the standard lineage. I had origin...

Noob here. I've just installed the "official" FT5406 7" display hardware onto my RPI 3, and it works swimmingly as a display. It doesn't work at all as a touchscreen. No touch events get registered. Suspecting that this is a DT problem for the display driver/overlay/whatever, I did a 'vcdbg log msg'...